Adapter for surfskate

ABSTRACT

The utility model relates to the field of skateboard fitting, specifically relating to an adapter for surfskate comprising a fixing plate, a rotating plate, an centre shaft screw and a locking nut wherein said fixing plate and rotating plate link together via centre shaft screw and locking nut; a torsion spring is sleeved on centre shaft screw between fixing plate and rotating plate, and the top of torsion spring is fixed on fixing plate, and the bottom is fixed on rotating plate; said centre shaft screw located on top and bottom of rotating plate are sleeved with a thrust bearing wherein thrust bearing on the top of rotating plate is provided within torsion spring; on the side of fixing plate closing to rotating plate is equipped with limiting groove and on the side of rotating plate closing to fixing plate is equipped with limiting block matching with limiting groove.

BACKGROUND OF THE INVENTION 1. Field of the Invention

The utility model relates to the field of skateboard fitting,specifically relating to an adapter for surfskate.

2. Description of the Related Art

Skateboarding is the originator of extreme sports and many extremesports are derived therefrom. In the late 1950s and the early 1960s, theskateboarding, evolved from surfing, is widely popular among andflavored by young people given its merits of easy to learn and carry,little limitations on space and has become the “coolest” sport in theworld.

The skateboards that people use at present are installed with wheels onthe bottom thereof, which can slide steadily on the flat road; despitethe fact that it is steady, safe and a good equipment for fitness,changing fitness equipment can bring about more thrilling andinteresting fitness experience for those who making excessive demands inbodybuilding; the current skateboard structure can not provide a feelingof surfing in the sea for its users and skateboard users forces theskateboard to swing left and right so as to simulate the feeling ofsurfing in the sea when moving, incurring significant decrease of itsservice life.

SUMMARY OF THE INVENTION

The invention aims to overcome above technical shortcomings and providean adapter for surfskate.

An adapter for surfskate comprising a fixing plate, a rotating plate, acentre shaft screw and a locking nut wherein said fixing plate androtating plate link together via the centre shaft screw and the lockingnut; a torsion spring is sleeved on said centre shaft screw that betweenthe fixing plate and the rotating plate, and the top of said torsionspring is fixed on the fixing plate, and the bottom thereof is fixed onthe rotating plate; on said centre shaft screw located on the top sideand bottom side of the rotating plate are respectively sleeved with athrust bearing wherein the thrust bearing on the top side of therotating plate is provided within the torsion spring; on the side of thefixing plate that is close to the rotating plate is equipped with alimiting groove and on the side of the rotating plate that is close tothe fixing plate is equipped with a limiting block matching with thelimiting groove.

Furthermore, said centre shaft screw comprises an outer hexagonal head,a threaded head and a smooth connecting rod for connecting the outerhexagonal head and the threaded head, and the locking nut is in threadedconnection with the threaded head.

Furthermore, one end of said fixing plate is a surfboard connectingplate and the other end thereof is a fixing plate connector in buttjoint with the rotating plate; an inner groove is formed in the upperside of the fixing plate connector; a through hole penetrating throughthe fixing plate connector is formed in the bottom of the inner groove;an inner hexagonal mounting hole used for limiting the outer hexagonalhead is formed in the top of the through hole; a first torsion springgroove is formed in one side of the through hole that is at the lowerside of the fixing plate connector and the top end of said torsionspring is fixed in the first torsion spring groove; said limiting grooveis formed in the lower side of the fixing plate connector and located onthe other side of the through hole, and a surfboard connecting hole isformed in the surfboard connecting plate.

Furthermore, at one end of said rotating plate is arranged with asurfboard wheel bridge fixing plate while the other end thereof isarranged with a rotating plate connector in butt joint with the fixingplate, a centre shaft screw hole penetrating through the rotating plateconnector is formed in said rotating plate connector; a second torsionspring groove is formed in one side of the centre shaft screw hole andthe bottom end of said torsion spring is fixed in the second torsionspring groove; said limiting block is arranged on the upper side of therotating plate connector and is located on the other side of the centreshaft screw hole; a thrust bearing hole is formed in the bottom side ofsaid rotating plate connector, and the bottom of the thrust bearing holeis communicated with the centre shaft screw hole.

Furthermore, the top surface and the bottom surface of the surfboardconnecting plate are parallel to the top surface of the fixing plateconnector, the top surface and the bottom surface of the fixing plateconnector form an included angle of 15-30°, and the rotating plateconnector and the surfboard wheel bridge fixing plate form an includedangle of 15-30°.

The utility model has following advantage: the included angle formedbetween the top surface and the bottom surface of the fixing plateconnector and the included angle formed between the rotating plateconnector and the surfboard wheel bridge fixing plate are both in therange of 15-30°, which can effectively control the left-right swingingamplitude of the rotating plate; the torsion spring is arranged toassist the rotating plate to automatically reset; the limiting block isarranged in a hidden way, so that the mechanism of the utility model ismore compact; the utility model has wide application range, and thecommon skateboard can improve the sensitivity of surfing effect in thesea by replacing with the adapter; the utility model has advantages ofsimple structure, easy to install, long service life, and excellent userexperience.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an exploded view of the adapter for surfskate in the utilitymodel;

FIG. 2 is a cross-sectional view of the adapter for surfskate in theutility model;

FIG. 3 is a first perspective view of the fixing plate of the adapterfor surfskate in the utility model;

FIG. 4 is a second perspective view of the fixing plate of the adapterfor surfskate in the utility model;

FIG. 5 is a first perspective view of the rotating plate of the adapterfor surfskate in the utility model;

FIG. 6 is a second perspective view of the rotating plate of the adapterfor surfskate in the utility model;

FIG. 7 is a usage diagram of the adapter for surfskate in the utilitymodel;

As shown in the drawings, 1. fixing plate; 2. rotating plate; 3. thrustbearing; 4. torsion spring; 5. centre shaft screw; 6. locking nut; 7.limiting groove; 8. limiting block; 9. surfskate; 10. surfboard wheelbridge; 101. surfboard connecting plate; 102. fixing plate connector;103. inner groove; 104. through hole; 105. inner hexagonal mountinghole; 106. first torsion spring groove; 107. surfboard connecting hole;201. surfboard wheel bridge fixing plate; 202. rotating plate connector;203. centre shaft screw hole; 204. second torsion spring groove; 205.thrust bearing hole; 501. outer hexagonal head; 502. threaded head; 503.smooth connecting rod.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The invention is further described in detail hereinafter with referenceto the drawings.

An adapter for surfskate comprising a fixing plate 1, a rotating plate2, a centre shaft screw 5 and a locking nut 6 wherein said fixing plate1 and rotating plate 2 link together via the centre shaft screw 5 andthe locking nut 6; a torsion spring 4 is sleeved on said centre shaftscrew 5 that between the fixing plate 1 and the rotating plate 2, andthe top of said torsion spring 4 is fixed on the fixing plate 1, and thebottom thereof is fixed on the rotating plate 2; on said centre shaftscrew 5 located on the top side and bottom side of the rotating plate 2are respectively sleeved with a thrust bearing 3 wherein the thrustbearing 3 on the top side of the rotating plate 2 is provided within thetorsion spring 4; on the side of the fixing plate 1 that is close to therotating plate 2 is equipped with a limiting groove 7 and on the side ofthe rotating plate 2 that is close to the fixing plate 1 is equippedwith a limiting block 8 matching with the limiting groove 7.

Said centre shaft screw 5 comprises an outer hexagonal head 501, athreaded head 502 and a smooth connecting rod 503 for connecting theouter hexagonal head 501 and the threaded head 502, and the locking nut6 is in threaded connection with the threaded head 502.

One end of said fixing plate 1 is a surfboard connecting plate 101 andthe other end thereof is a fixing plate connector 2 in butt joint withthe rotating plate 2; an inner groove 103 is formed in the upper side ofthe fixing plate connector 102; a through hole 104 penetrating throughthe fixing plate connector 102 is formed in the bottom of the innergroove 103; an inner hexagonal mounting hole 105 used for limiting theouter hexagonal head 501 is formed in the top of the through hole 104; afirst torsion spring groove 106 is formed in one side of the throughhole 104 that is at the lower side of the fixing plate connector 102 andthe top end of said torsion spring 4 is fixed in the first torsionspring groove 106; said limiting groove 7 is formed in the lower side ofthe fixing plate connector 102 and located on the other side of thethrough hole 104, and a surfboard connecting hole 107 is formed in thesurfboard connecting plate 101.

At one end of said rotating plate 2 is arranged with a surfboard wheelbridge fixing plate 201 while the other end thereof is arranged with arotating plate connector 202 in butt joint with the fixing plate 1, acentre shaft screw hole 203 penetrating through the rotating plateconnector 202 is formed in said rotating plate connector 202; a secondtorsion spring groove 204 is formed in one side of the centre shaftscrew hole 203 and the bottom end of said torsion spring 4 is fixed inthe second torsion spring groove 204; said limiting block 8 is arrangedon the upper side of the rotating plate connector 202 and is located onthe other side of the centre shaft screw hole 203; a thrust bearing hole205 is formed in the bottom side of said rotating plate connector 202,and the bottom of the thrust bearing hole 205 is communicated with thecentre shaft screw hole 203 wherein the inner surface of said centreshaft screw hole 203 is smooth.

The top surface and the bottom surface of the surfboard connecting plate101 are parallel to the top surface of the fixing plate connector 102,the top surface and the bottom surface of the fixing plate connector 102form an included angle of 15-30°, and the rotating plate connector 202and the surfboard wheel bridge fixing plate 201 form an included angleof 15-30°.

The specific installation steps of the utility model are that the centreshaft screw 5 is put into the fixing plate 1, then the torsion spring 4is sleeved on the centre shaft screw 5 under the fixing plate 1, the topend of the torsion spring 4 is fixed on the first torsion spring groove106 of the fixing plate 1, the bottom end of the torsion spring 4 isfixed on the second torsion spring groove 204 on the rotating plate 2;before the torsion spring 4 is fixed with the second torsion springgroove 204, a thrust bearing 3 is sleeved on the centre shaft screw 5,and is placed in the torsion spring 4, the rotating plate 2 is sleevedon the centre shaft screw 5 via the centre shaft screw hole 203;finally, the bottom end of the torsion spring 4 is fixed on the secondtorsion spring groove 204; then, another thrust bearing 4 is sleeved onthe centre shaft screw 5 below the rotating plate 2, the thrust bearing4 is placed in the thrust bearing hole 205, and the locking nut 6 isscrewed on the thread head 502 of the centre shaft screw 5.

When the utility model is using, as shown in FIG. 7, the surfboardconnecting plate 101 is connected on the surfskate 9 via the surfboardconnecting hole 107 and the screw, and the surfboard wheel bridge fixingplate 201 is connected fixedly with the surfboard wheel bridge 10 on theidler wheel of surfboard. The surfskate disclosed in the utility model,namely the skateboard, has the automatic resetting function, cansimulate the feeling of surfing in the sea and enjoying the fun ofsurfing.

When using the surfskate disclosed in the utility model, namely theskateboard, the human body stands on the skateboard surface and changesthe center of body weight via wriggling the body, leading to rotatingplate 2 to rotate left and right, after rotating to certain angle, thelimiting block 8 raised on the rotating plate 2 will be cooperated withthe limiting groove 7 of fixing plate 1 to restrict rotation angle;under effect of the torsion spring 4, the users can also be assisted inresetting the rotating plate 2 automatically aligned to the center evenwhen rotating to the extreme position.

The invention and its embodiments have been described above, but thedescription is not limited thereto; only one embodiment of the inventionis shown in the drawings, and the actual structure is not limitedthereto. In general, it is to be understood by those skilled in the artthat non-creative design of structural forms and embodiments that aresimilar to the technical solutions without departing from the spirit ofthe invention shall all fall within the protective scope of theinvention.

1. An adapter for surfskate comprising a fixing plate (1), a rotatingplate (2), a centre shaft screw (5) and a locking nut (6) wherein saidfixing plate (1) and rotating plate (2) link together via the centreshaft screw (5) and the locking nut (6); a torsion spring (4) is sleevedon said centre shaft screw (5) that between the fixing plate (1) and therotating plate (2), and the top of said torsion spring (4) is fixed onthe fixing plate (1), and the bottom thereof is fixed on the rotatingplate (2); on said centre shaft screw (5) located on the top side andbottom side of the rotating plate (2) are respectively sleeved with athrust bearing (3) wherein the thrust bearing (3) on the top side of therotating plate (2) is provided within the torsion spring (4); on theside of the fixing plate (1) that is close to the rotating plate (2) isequipped with a limiting groove (7) and on the side of the rotatingplate (2) that is close to the fixing plate (1) is equipped with alimiting block (8) matching with the limiting groove (7).
 2. The adapterfor surfskate of claim 1 wherein said centre shaft screw (5) comprisesan outer hexagonal head (501), a threaded head (502) and a smoothconnecting rod (503) for connecting the outer hexagonal head (501) andthe threaded head (502), and the locking nut (6) is in threadedconnection with the threaded head (502).
 3. The adapter for surfskate ofclaim 1 wherein one end of said fixing plate (1) is a surfboardconnecting plate (101) and the other end thereof is a fixing plateconnector (2) in butt joint with the rotating plate (2); an inner groove(103) is formed in the upper side of the fixing plate connector (102); athrough hole (104) penetrating through the fixing plate connector (102)is formed in the bottom of the inner groove (103); an inner hexagonalmounting hole (105) used for limiting the outer hexagonal head (501) isformed in the top of the through hole (104); a first torsion springgroove (106) is formed in one side of the through hole (104) that is atthe lower side of the fixing plate connector (102) and the top end ofsaid torsion spring (4) is fixed in the first torsion spring groove(106); said limiting groove (7) is formed in the lower side of thefixing plate connector (102) and located on the other side of thethrough hole (104), and a surfboard connecting hole (107) is formed inthe surfboard connecting plate (101).
 4. The adapter for surfskate ofclaim 1 wherein at one end of said rotating plate (2) is arranged with asurfboard wheel bridge fixing plate (201) while the other end thereof isarranged with a rotating plate connector (202) in butt joint with thefixing plate (1), a centre shaft screw hole (203) penetrating throughthe rotating plate connector (202) is formed in said rotating plateconnector (202); a second torsion spring groove (204) is formed in oneside of the centre shaft screw hole (203) and the bottom end of saidtorsion spring (4) is fixed in the second torsion spring groove (204);said limiting block (8) is arranged on the upper side of the rotatingplate connector (202) and is located on the other side of the centreshaft screw hole (203); a thrust bearing hole (205) is formed in thebottom side of said rotating plate connector (202), and the bottom ofthe thrust bearing hole (205) is communicated with the centre shaftscrew hole (203).
 5. The adapter for surfskate of claim 3 wherein thetop surface and the bottom surface of the surfboard connecting plate(101) are parallel to the top surface of the fixing plate connector(102), the top surface and the bottom surface of the fixing plateconnector (102) form an included angle of 15-30°.
 6. The adapter forsurfskate of claim 4 wherein the rotating plate connector (202) and thesurfboard wheel bridge fixing plate (201) form an included angle of15-30°.